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WorksheetsPre-Knowledge Quiz: Elements and Compounds
Total questions: 20
Worksheet time: 10mins
What is the smallest building block of all matter?
a molecule
an atom
a cell
a mixture
Which of the following is a pure substance?
saltwater
air
sugar
soil
When you mix sand and water, what do you get?
a solution
a compound
a mixture
an element
The symbol for the element 'oxygen' is:
Ox
O
Oy
H₂O
Which of these is an example of a chemical change?
melting ice
dissolving sugar in water
tearing a piece of paper
burning wood
A substance that is made of only one type of atom is called a(n):
compound
mixture
element
solution
Water (H2O) is an example of a:
mixture
element
solution
compound
Which of these is a physical property of matter?
flammability
density
reactivity with acid
ability to rust
When salt is dissolved in water, the salt is called the:
solvent
solute
solution
compound
Air is an example of a:
compound
pure substance
mixture
element
The process of separating a solid from a liquid using a filter is called:
distillation
evaporation
filtration
decanting
All matter is made up of tiny particles called:
cells
atoms and molecules
dust
grains
Which of these is a metal?
sulfur
oxygen
carbon
iron
A solution is a special type of:
element
compound
homogeneous mixture
heterogeneous mixture
What do we call a substance that can be broken down into simpler substances by chemical means?
an element
a compound
a mixture
a solution
The symbol for the element 'carbon' is:
Ca
Co
C
Cr
When two or more substances are combined but NOT chemically bonded, you have a:
compound
molecule
mixture
reaction
Which of the following is a liquid at room temperature?
gold
carbon
water
salt
What is a common example of a physical change?
baking a cake
a firecracker exploding
a log rotting
boiling water
The particles in a solid are typically:
far apart and moving randomly
close together and vibrating in place
spread out and sliding past each other
able to move freely throughout the container
